diff --git a/blade-ops/blade-flow-design/src/main/java/org/springblade/flow/config/SqlSessionConfiguration.java b/blade-ops/blade-flow-design/src/main/java/org/springblade/flow/config/SqlSessionConfiguration.java
index d106d508..f33e6fb3 100644
--- a/blade-ops/blade-flow-design/src/main/java/org/springblade/flow/config/SqlSessionConfiguration.java
+++ b/blade-ops/blade-flow-design/src/main/java/org/springblade/flow/config/SqlSessionConfiguration.java
@@ -38,7 +38,7 @@ public class SqlSessionConfiguration {
 
 	@Primary
 	@Bean(name = "sqlSessionFactory")
-	public SqlSessionFactory SqlSessionFactory(DataSource dataSource) throws Exception {
+	public SqlSessionFactory sqlSessionFactory(DataSource dataSource) throws Exception {
 		SqlSessionFactoryBean sessionFactoryBean = new SqlSessionFactoryBean();
 		sessionFactoryBean.setDataSource(dataSource);
 		Resource resource = new PathMatchingResourcePatternResolver().getResource("classpath:mybatis/mybatis-config.xml");
diff --git a/blade-ops/blade-flow-design/src/main/java/org/springblade/flow/filter/UserHandlerInterceptor.java b/blade-ops/blade-flow-design/src/main/java/org/springblade/flow/filter/UserHandlerInterceptor.java
index 8c137a7b..681664cc 100644
--- a/blade-ops/blade-flow-design/src/main/java/org/springblade/flow/filter/UserHandlerInterceptor.java
+++ b/blade-ops/blade-flow-design/src/main/java/org/springblade/flow/filter/UserHandlerInterceptor.java
@@ -19,6 +19,7 @@ package org.springblade.flow.filter;
 import org.flowable.idm.api.User;
 import org.flowable.idm.engine.impl.persistence.entity.UserEntityImpl;
 import org.flowable.ui.common.security.SecurityUtils;
+import org.springframework.lang.NonNull;
 import org.springframework.stereotype.Component;
 import org.springframework.web.servlet.HandlerInterceptor;
 import org.springframework.web.servlet.ModelAndView;
@@ -37,7 +38,7 @@ import static org.springblade.flow.constant.FlowableConstant.*;
 public class UserHandlerInterceptor implements HandlerInterceptor {
 
 	@Override
-	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
+	public boolean preHandle(HttpServletRequest request, @NonNull HttpServletResponse response, @NonNull Object handler) {
 		String servletPath = request.getServletPath();
 		if (servletPath.endsWith(CSS) || servletPath.endsWith(JS) || servletPath.endsWith(JPG) || servletPath.endsWith(PNG)) {
 			return true;
@@ -51,14 +52,12 @@ public class UserHandlerInterceptor implements HandlerInterceptor {
 	}
 
 	@Override
-	public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
-						   ModelAndView modelAndView) throws Exception {
+	public void postHandle(@NonNull HttpServletRequest request, @NonNull HttpServletResponse response, @NonNull Object handler, ModelAndView modelAndView) throws Exception {
 		HandlerInterceptor.super.postHandle(request, response, handler, modelAndView);
 	}
 
 	@Override
-	public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)
-		throws Exception {
+	public void afterCompletion(@NonNull HttpServletRequest request, @NonNull HttpServletResponse response, @NonNull Object handler, Exception ex) throws Exception {
 		HandlerInterceptor.super.afterCompletion(request, response, handler, ex);
 	}
 
diff --git a/blade-ops/blade-flow-design/src/main/resources/application-dev.yml b/blade-ops/blade-flow-design/src/main/resources/application-dev.yml
index c8ddfa32..ce3bb9d4 100644
--- a/blade-ops/blade-flow-design/src/main/resources/application-dev.yml
+++ b/blade-ops/blade-flow-design/src/main/resources/application-dev.yml
@@ -10,6 +10,6 @@ spring:
     #username: postgres
     #password: 123456
     # Oracle
-    #url: jdbc:oracle:thin:@127.0.0.1:49161:orcl
+    #url: jdbc:oracle:thin:@127.0.0.1:1521:orcl
     #username: BLADEX_FLOW
     #password: oracle
diff --git a/blade-ops/blade-flow-design/src/main/resources/application.yml b/blade-ops/blade-flow-design/src/main/resources/application.yml
index 1e412824..5edc3052 100644
--- a/blade-ops/blade-flow-design/src/main/resources/application.yml
+++ b/blade-ops/blade-flow-design/src/main/resources/application.yml
@@ -36,15 +36,13 @@ spring:
         session-stat-max-count: 10
   main:
     allow-bean-definition-overriding: true
-  devtools:
-    add-properties: false
-
 
 flowable:
   activity-font-name: \u5B8B\u4F53
   label-font-name: \u5B8B\u4F53
   annotation-font-name: \u5B8B\u4F53
   check-process-definitions: false
+  database-schema-update: false
   common:
     app:
       idm-url: http://localhost:9999
diff --git a/blade-ops/blade-flow-design/src/main/resources/mybatis/mybatis-config.xml b/blade-ops/blade-flow-design/src/main/resources/mybatis/mybatis-config.xml
index 3451f5ca..e14c61d7 100644
--- a/blade-ops/blade-flow-design/src/main/resources/mybatis/mybatis-config.xml
+++ b/blade-ops/blade-flow-design/src/main/resources/mybatis/mybatis-config.xml
@@ -3,7 +3,10 @@
 <configuration>
 <properties>
 		<property name="prefix" value="" />
+		<!-- MySQL使用如下类型 -->
 		<property name="blobType" value="BLOB" />
+		<!-- PostgreSQL使用如下类型 -->
+		<!--<property name="blobType" value="VARCHAR" />-->
 	</properties>
 
 	<mappers>
diff --git a/blade-ops/blade-flow/src/main/resources/application.yml b/blade-ops/blade-flow/src/main/resources/application.yml
index 8b5bff33..2446ca76 100644
--- a/blade-ops/blade-flow/src/main/resources/application.yml
+++ b/blade-ops/blade-flow/src/main/resources/application.yml
@@ -8,3 +8,4 @@ flowable:
   label-font-name: \u5B8B\u4F53
   annotation-font-name: \u5B8B\u4F53
   check-process-definitions: false
+  database-schema-update: false